90018615

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 147704832

約数和(自身を除く): 57686217

約数列:

[1, 3, 5, 15, 61, 131, 183, 305, 393, 655, 751, 915, 1965, 2253, 3755, 7991, 11265, 23973, 39955, 45811, 98381, 119865, 137433, 229055, 295143, 491905, 687165, 1475715, 6001241, 18003723, 30006205, 90018615]

約数ペア:

[(1, 90018615), (3, 30006205), (5, 18003723), (15, 6001241), (61, 1475715), (131, 687165), (183, 491905), (305, 295143), (393, 229055), (655, 137433), (751, 119865), (915, 98381), (1965, 45811), (2253, 39955), (3755, 23973), (7991, 11265)]